3-Phase Field Effect Transistor Pre-Driver

MC33937 Active

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The NXP® MC33937A is a Field Effect Transistor (FET) pre-driver designed for three phase motor control and similar applications.

  • The integrated circuit (IC) uses SMARTMOS® technology
  • The IC contains three High Side FET pre-drivers and three Low Side FET pre-drivers
  • Three external bootstrap capacitors provide gate charge to the High Side FETs
  • The IC interfaces to a MCU via six direct input control signals, an SPI port for device setup and asynchronous reset, enable and interrupt signals
  • Both 5.0 and 3.0 V logic level inputs are accepted and 5.0 V logic level outputs are provided
  • Processor Expert® component for MC33937 enables rapid embedded application development

Block Diagram

MC34937 Power Actuation

MC34937 Power Actuation Block Diagram
Get diagram PDF

Features

Key Features

  • Fully specified from 8.0 to 40 V covers 12 and 24 V automotive systems
  • Extended operating range from 6.0 to 58 V covers 12 and 42 V systems
  • Greater than 1.0 A gate drive capability with protection
  • Protection against reverse charge injection from CGD and CGS of external FETs
  • Includes a charge pump to support full FET drive at low battery voltages
  • Deadtime is programmable via the SPI port
  • Load current(IL) 1 A (Typ)
  • 6 channels
  • Drain-to-source on resistance 5500 mOhm RDS(ON) (Typ)
  • Parallel and SPI Interface and Input Controllers

Product Longevity Program

  • This product is included in the NXP Product Longevity Program ensuring a stable supply of products for your embedded designs. The MC33937 is included in the 15-year program

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N true 0 PSPMC33937en 10 Application Note Application Note t789 2 Data Sheet Data Sheet t520 1 Errata Errata t522 1 Selector Guide Selector Guide t528 2 Technical Notes Technical Notes t521 2 User Guide User Guide t792 2 en_US 3 1 3.0 English This application note provides guidelines for handling and assembly of SOIC package during Printed Circuit Board (PCB) assembly. 10jsBvfc PSP 3.5 MB None None documents None 10jsBvfc /docs/en/application-note/AN2409.pdf 3536520 /docs/en/application-note/AN2409.pdf AN2409 N N 2016-10-31 AN2409, Small Outline Integrated Circuit (SOIC) Package - Application Note /docs/en/application-note/AN2409.pdf /docs/en/application-note/AN2409.pdf Application Note N Y 645036621402383989 2024-01-19 pdf N en Oct 21, 2014 Application Note t789 Application Note Application Note Y N AN2409, Small Outline Integrated Circuit (SOIC) Package - Application Note 2 14.0 English The 33937A is a field effect transistor (FET) predriver designed for three phase motor control and similar applications. 1227547859784704010664 PSP 800.5 KB None None documents None 1227547859784704010664 /docs/en/data-sheet/MC33937.pdf 800515 /docs/en/data-sheet/MC33937.pdf MC33937 N N 2018-08-16 MC33937, Three phase field effect transistor pre-driver - Data sheet /docs/en/data-sheet/MC33937.pdf /docs/en/data-sheet/MC33937.pdf Data Sheet N Y 980000996212993340 2022-12-07 pdf N en Nov 18, 2021 Data Sheet t520 Data Sheet Data Sheet Y N MC33937, Three phase field effect transistor pre-driver - Data sheet 3 2.0 English This errata sheet applies to the following SMARTMOS<sup>&#174;</sup> part numbers PCZ33937EK/R2 and MCZ33937EK/R2 1300382518017719293398 PSP 129.7 KB None None documents None 1300382518017719293398 /docs/en/errata/MC33937ER.pdf 129705 /docs/en/errata/MC33937ER.pdf MC33937ER N N 2011-03-22 MC33937, Mask R15N - Errata /docs/en/errata/MC33937ER.pdf /docs/en/errata/MC33937ER.pdf Errata N Y 155452329886410597 2022-12-07 pdf N en Jan 31, 2014 Errata t522 Errata Errata Y N MC33937, Mask R15N - Errata false en_US en Application Note Application Note 1 4 1.0 English The MC33781 and MC33784 together constitute NXP Semiconductors's implementation of the Distributed System Interface (DSI) Bus Standard, Version 2.02. 1225311007711718167766 PSP 1.0 MB None None documents None 1225311007711718167766 /docs/en/application-note/AN3670.pdf 1013814 /docs/en/application-note/AN3670.pdf AN3670 documents N N 2016-10-31 AN3670, Implementing a DSI Network Using the MC33781 and the MC33784 /docs/en/application-note/AN3670.pdf /docs/en/application-note/AN3670.pdf Application Note N 645036621402383989 2024-01-19 pdf N en Oct 29, 2008 645036621402383989 Application Note Y N AN3670, Implementing a DSI Network Using the MC33781 and the MC33784 User Guide User Guide 2 5 2.0 English This User&#8217;s Manual describes the features, options and connections of the KIT33937AEKEVBE Evaluation Board. NXP&#8217;s KIT33937AEKEVBE Evaluation Board is a low-voltage power stage that is an integral part of NXP&#8217;s embedded motion control series of development tools 1407544324332726735878 PSP 1.5 MB None None documents None 1407544324332726735878 /docs/en/user-guide/KT33937UG.pdf 1453580 /docs/en/user-guide/KT33937UG.pdf KT33937UG documents N N 2014-08-08 KT33937UG, KIT33937AEKEVBE Evaluation Board - User&#8217;s Guide /docs/en/user-guide/KT33937UG.pdf /docs/en/user-guide/KT33937UG.pdf User Guide N 132339537837198660 2023-06-19 pdf N en Aug 8, 2014 132339537837198660 User Guide N N KT33937UG, KIT33937AEKEVBE Evaluation Board - User&#8217;s Guide 6 3.0 English Evaluation Board Documentation 1208378977815710359391 PSP 347.1 KB None None documents None 1208378977815710359391 /docs/en/user-guide/KTSPIGENHELPUG.pdf 347130 /docs/en/user-guide/KTSPIGENHELPUG.pdf KTSPIGENHELPUG documents N N 2016-10-31 KTSPIGENHELPUG, SPIGen Help Instructions /docs/en/user-guide/KTSPIGENHELPUG.pdf /docs/en/user-guide/KTSPIGENHELPUG.pdf User Guide N 132339537837198660 2024-01-19 pdf N en Oct 9, 2009 132339537837198660 User Guide Y N KTSPIGENHELPUG, SPIGen Help Instructions Technical Notes Technical Notes 2 7 1.0 English EB730 Engineering Bulletin 1274825088056711706968 PSP 133.8 KB None None documents None 1274825088056711706968 /docs/en/engineering-bulletin/EB730.pdf 133779 /docs/en/engineering-bulletin/EB730.pdf EB730 documents N 2010-05-25 MC33937 Initialization Requirements /docs/en/engineering-bulletin/EB730.pdf /docs/en/engineering-bulletin/EB730.pdf Technical Notes N 389245547230346745 2022-12-07 pdf en May 25, 2010 389245547230346745 Technical Notes Y N MC33937 Initialization Requirements 8 1.0 English Engineering Bulletin for the MC33937 1252596729673723620630 PSP 113.1 KB None None documents None 1252596729673723620630 /docs/en/engineering-bulletin/EB701.pdf 113067 /docs/en/engineering-bulletin/EB701.pdf EB701 documents N 2009-09-10 EB701, MC33937 Double Reset Timing Considerations /docs/en/engineering-bulletin/EB701.pdf /docs/en/engineering-bulletin/EB701.pdf Technical Notes N 389245547230346745 2022-12-07 pdf en Sep 10, 2009 389245547230346745 Technical Notes N N EB701, MC33937 Double Reset Timing Considerations Selector Guide Selector Guide 2 9 13 English For system designers that want more efficient motor operation with variable speed and sensorless control, NXP offers H-Bridge, brushed and brushless DC motor drivers required to complete system design. 1440175950835712338186 PSP 197.6 KB None None documents None 1440175950835712338186 /docs/en/product-selector-guide/MOTORDRIVERFLYR.pdf 197574 /docs/en/product-selector-guide/MOTORDRIVERFLYR.pdf MOTORDRIVERFLYR documents N N 2016-10-31 Motor Driver – Selector Guide /docs/en/product-selector-guide/MOTORDRIVERFLYR.pdf /docs/en/product-selector-guide/MOTORDRIVERFLYR.pdf Selector Guide N 553557935274807777 2024-08-11 pdf N en Feb 4, 2021 553557935274807777 Selector Guide Y N Motor Driver – Selector Guide 10 3 Chinese 1404924651029729642615zh PSP 1.2 MB None None documents None 1404924651029729642615 /docs/zh/product-selector-guide/INDCONTANLPRDFL.pdf 1202686 /docs/zh/product-selector-guide/INDCONTANLPRDFL.pdf INDCONTANLPRDFL documents N N 2016-10-31 Analog Automotive and Industrial Selector Guide /docs/zh/product-selector-guide/INDCONTANLPRDFL.pdf /docs/zh/product-selector-guide/INDCONTANLPRDFL.pdf Selector Guide N 553557935274807777 2025-01-05 zh Sep 18, 2014 553557935274807777 Selector Guide Y N 面向工业市场的模拟产品 - 简介 12 English For system designers who want more efficient motor operation with variable speed and sensorless control, NXP offers H-bridge, brushed and brushless DC motor drivers required to complete system design. 1404924651029729642615 PSP 1.2 MB None None documents None 1404924651029729642615 /docs/en/product-selector-guide/INDCONTANLPRDFL.pdf 1202686 /docs/en/product-selector-guide/INDCONTANLPRDFL.pdf INDCONTANLPRDFL documents N N 2016-10-31 Analog Automotive and Industrial Selector Guide /docs/en/product-selector-guide/INDCONTANLPRDFL.pdf /docs/en/product-selector-guide/INDCONTANLPRDFL.pdf Selector Guide N 553557935274807777 2025-01-05 pdf N en Jan 29, 2021 553557935274807777 Selector Guide Y N Analog Automotive and Industrial Selector Guide false 0 MC33937 downloads en true 1 Y PSP Y Y Application Note 2 /docs/en/application-note/AN3670.pdf 2016-10-31 1225311007711718167766 PSP 4 Oct 29, 2008 Application Note The MC33781 and MC33784 together constitute NXP Semiconductors's implementation of the Distributed System Interface (DSI) Bus Standard, Version 2.02. None /docs/en/application-note/AN3670.pdf English documents 1013814 None 645036621402383989 2024-01-19 N /docs/en/application-note/AN3670.pdf AN3670, Implementing a DSI Network Using the MC33781 and the MC33784 /docs/en/application-note/AN3670.pdf documents 645036621402383989 Application Note N en None Y pdf 1.0 N N AN3670, Implementing a DSI Network Using the MC33781 and the MC33784 1.0 MB AN3670 N 1225311007711718167766 /docs/en/application-note/AN2409.pdf 2016-10-31 10jsBvfc PSP 1 Oct 21, 2014 Application Note Application Note This application note provides guidelines for handling and assembly of SOIC package during Printed Circuit Board (PCB) assembly. None /docs/en/application-note/AN2409.pdf English 3536520 None Application Note 2024-01-19 N /docs/en/application-note/AN2409.pdf AN2409, Small Outline Integrated Circuit (SOIC) Package - Application Note /docs/en/application-note/AN2409.pdf documents 645036621402383989 Application Note N Y en None Y t789 pdf 3.0 N N AN2409, Small Outline Integrated Circuit (SOIC) Package - Application Note 3.5 MB AN2409 N 10jsBvfc Data Sheet 1 /docs/en/data-sheet/MC33937.pdf 2018-08-16 1227547859784704010664 PSP 2 Nov 18, 2021 Data Sheet Data Sheet The 33937A is a field effect transistor (FET) predriver designed for three phase motor control and similar applications. None /docs/en/data-sheet/MC33937.pdf English 800515 None Data Sheet 2022-12-07 N /docs/en/data-sheet/MC33937.pdf MC33937, Three phase field effect transistor pre-driver - Data sheet /docs/en/data-sheet/MC33937.pdf documents 980000996212993340 Data Sheet N Y en None Y t520 pdf 14.0 N N MC33937, Three phase field effect transistor pre-driver - Data sheet 800.5 KB MC33937 N 1227547859784704010664 Errata 1 /docs/en/errata/MC33937ER.pdf 2011-03-22 1300382518017719293398 PSP 3 Jan 31, 2014 Errata Errata This errata sheet applies to the following SMARTMOS<sup>&#174;</sup> part numbers PCZ33937EK/R2 and MCZ33937EK/R2 None /docs/en/errata/MC33937ER.pdf English 129705 None Errata 2022-12-07 N /docs/en/errata/MC33937ER.pdf MC33937, Mask R15N - Errata /docs/en/errata/MC33937ER.pdf documents 155452329886410597 Errata N Y en None Y t522 pdf 2.0 N N MC33937, Mask R15N - Errata 129.7 KB MC33937ER N 1300382518017719293398 Selector Guide 2 /docs/en/product-selector-guide/MOTORDRIVERFLYR.pdf 2016-10-31 1440175950835712338186 PSP 9 Feb 4, 2021 Selector Guide For system designers that want more efficient motor operation with variable speed and sensorless control, NXP offers H-Bridge, brushed and brushless DC motor drivers required to complete system design. None /docs/en/product-selector-guide/MOTORDRIVERFLYR.pdf English documents 197574 None 553557935274807777 2024-08-11 N /docs/en/product-selector-guide/MOTORDRIVERFLYR.pdf Motor Driver – Selector Guide /docs/en/product-selector-guide/MOTORDRIVERFLYR.pdf documents 553557935274807777 Selector Guide N en None Y pdf 13 N N Motor Driver – Selector Guide 197.6 KB MOTORDRIVERFLYR N 1440175950835712338186 /docs/en/product-selector-guide/INDCONTANLPRDFL.pdf 2016-10-31 1404924651029729642615 PSP 10 Jan 29, 2021 Selector Guide For system designers who want more efficient motor operation with variable speed and sensorless control, NXP offers H-bridge, brushed and brushless DC motor drivers required to complete system design. None /docs/en/product-selector-guide/INDCONTANLPRDFL.pdf English documents 1202686 None 553557935274807777 2025-01-05 N /docs/en/product-selector-guide/INDCONTANLPRDFL.pdf Analog Automotive and Industrial Selector Guide /docs/en/product-selector-guide/INDCONTANLPRDFL.pdf documents 553557935274807777 Selector Guide N en None Y pdf 12 N N Analog Automotive and Industrial Selector Guide 1.2 MB INDCONTANLPRDFL N 1404924651029729642615 Technical Notes 2 /docs/en/engineering-bulletin/EB730.pdf 2010-05-25 1274825088056711706968 PSP 7 May 25, 2010 Technical Notes EB730 Engineering Bulletin None /docs/en/engineering-bulletin/EB730.pdf English documents 133779 None 389245547230346745 2022-12-07 /docs/en/engineering-bulletin/EB730.pdf MC33937 Initialization Requirements /docs/en/engineering-bulletin/EB730.pdf documents 389245547230346745 Technical Notes N en None Y pdf 1.0 N MC33937 Initialization Requirements 133.8 KB EB730 N 1274825088056711706968 /docs/en/engineering-bulletin/EB701.pdf 2009-09-10 1252596729673723620630 PSP 8 Sep 10, 2009 Technical Notes Engineering Bulletin for the MC33937 None /docs/en/engineering-bulletin/EB701.pdf English documents 113067 None 389245547230346745 2022-12-07 /docs/en/engineering-bulletin/EB701.pdf EB701, MC33937 Double Reset Timing Considerations /docs/en/engineering-bulletin/EB701.pdf documents 389245547230346745 Technical Notes N en None N pdf 1.0 N EB701, MC33937 Double Reset Timing Considerations 113.1 KB EB701 N 1252596729673723620630 User Guide 2 /docs/en/user-guide/KT33937UG.pdf 2014-08-08 1407544324332726735878 PSP 5 Aug 8, 2014 User Guide This User&#8217;s Manual describes the features, options and connections of the KIT33937AEKEVBE Evaluation Board. NXP&#8217;s KIT33937AEKEVBE Evaluation Board is a low-voltage power stage that is an integral part of NXP&#8217;s embedded motion control series of development tools None /docs/en/user-guide/KT33937UG.pdf English documents 1453580 None 132339537837198660 2023-06-19 N /docs/en/user-guide/KT33937UG.pdf KT33937UG, KIT33937AEKEVBE Evaluation Board - User&#8217;s Guide /docs/en/user-guide/KT33937UG.pdf documents 132339537837198660 User Guide N en None N pdf 2.0 N N KT33937UG, KIT33937AEKEVBE Evaluation Board - User&#8217;s Guide 1.5 MB KT33937UG N 1407544324332726735878 /docs/en/user-guide/KTSPIGENHELPUG.pdf 2016-10-31 1208378977815710359391 PSP 6 Oct 9, 2009 User Guide Evaluation Board Documentation None /docs/en/user-guide/KTSPIGENHELPUG.pdf English documents 347130 None 132339537837198660 2024-01-19 N /docs/en/user-guide/KTSPIGENHELPUG.pdf KTSPIGENHELPUG, SPIGen Help Instructions /docs/en/user-guide/KTSPIGENHELPUG.pdf documents 132339537837198660 User Guide N en None Y pdf 3.0 N N KTSPIGENHELPUG, SPIGen Help Instructions 347.1 KB KTSPIGENHELPUG N 1208378977815710359391 true Y Products

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